1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>Class template date_itr_base</title> 6<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> 7<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 8<link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> 9<link rel="up" href="../../date_time/doxy.html#header.boost.date_time.date_iterator_hpp" title="Header <boost/date_time/date_iterator.hpp>"> 10<link rel="prev" href="date_itr.html" title="Class template date_itr"> 11<link rel="next" href="all_date_names_put.html" title="Class template all_date_names_put"> 12</head> 13<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 14<table cellpadding="2" width="100%"><tr> 15<td valign="top"><img alt="Boost C++ Libraries" width="277" 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name="boost.date_time.date_itr_base"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Class template date_itr_base</span></h2> 30<p>boost::date_time::date_itr_base — Base date iterator type. </p> 31</div> 32<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 33<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../date_time/doxy.html#header.boost.date_time.date_iterator_hpp" title="Header <boost/date_time/date_iterator.hpp>">boost/date_time/date_iterator.hpp</a>> 34 35</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> date_type<span class="special">></span> 36<span class="keyword">class</span> <a class="link" href="date_itr_base.html" title="Class template date_itr_base">date_itr_base</a> <span class="special">{</span> 37<span class="keyword">public</span><span class="special">:</span> 38 <span class="comment">// types</span> 39 <span class="keyword">typedef</span> <span class="identifier">date_type</span><span class="special">::</span><span class="identifier">duration_type</span> <a name="boost.date_time.date_itr_base.duration_type"></a><span class="identifier">duration_type</span><span class="special">;</span> 40 <span class="keyword">typedef</span> <span class="identifier">date_type</span> <a name="boost.date_time.date_itr_base.value_type"></a><span class="identifier">value_type</span><span class="special">;</span> 41 <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">input_iterator_tag</span> <a name="boost.date_time.date_itr_base.iterator_category"></a><span class="identifier">iterator_category</span><span class="special">;</span> 42 43 <span class="comment">// <a class="link" href="date_itr_base.html#boost.date_time.date_itr_baseconstruct-copy-destruct">construct/copy/destruct</a></span> 44 <a class="link" href="date_itr_base.html#id-1_3_14_15_3_20_1_1_2_8-bb"><span class="identifier">date_itr_base</span></a><span class="special">(</span><span class="identifier">date_type</span><span class="special">)</span><span class="special">;</span> 45 <a class="link" href="date_itr_base.html#id-1_3_14_15_3_20_1_1_2_9-bb"><span class="special">~</span><span class="identifier">date_itr_base</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 46 47 <span class="comment">// <a class="link" href="date_itr_base.html#id-1_3_14_15_3_20_1_1_2_7-bb">public member functions</a></span> 48 <a class="link" href="date_itr_base.html" title="Class template date_itr_base">date_itr_base</a> <span class="special">&</span> <a class="link" href="date_itr_base.html#id-1_3_14_15_3_20_1_1_2_7_1-bb"><span class="keyword">operator</span><span class="special">++</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 49 <a class="link" href="date_itr_base.html" title="Class template date_itr_base">date_itr_base</a> <span class="special">&</span> <a class="link" href="date_itr_base.html#id-1_3_14_15_3_20_1_1_2_7_2-bb"><span class="keyword">operator</span><span class="special">--</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 50 <span class="keyword">virtual</span> <span class="identifier">duration_type</span> <a class="link" href="date_itr_base.html#id-1_3_14_15_3_20_1_1_2_7_3-bb"><span class="identifier">get_offset</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span> <span class="special">=</span> <span class="number">0</span><span class="special">;</span> 51 <span class="keyword">virtual</span> <span class="identifier">duration_type</span> <a class="link" href="date_itr_base.html#id-1_3_14_15_3_20_1_1_2_7_4-bb"><span class="identifier">get_neg_offset</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span> <span class="special">=</span> <span class="number">0</span><span class="special">;</span> 52 <span class="identifier">date_type</span> <a class="link" href="date_itr_base.html#id-1_3_14_15_3_20_1_1_2_7_5-bb"><span class="keyword">operator</span> <span class="special">*</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 53 <span class="identifier">date_type</span> <span class="special">*</span> <a class="link" href="date_itr_base.html#id-1_3_14_15_3_20_1_1_2_7_6-bb"><span class="keyword">operator</span><span class="special">-></span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 54 <span class="keyword">bool</span> <a class="link" href="date_itr_base.html#id-1_3_14_15_3_20_1_1_2_7_7-bb"><span class="keyword">operator</span><span class="special"><</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 55 <span class="keyword">bool</span> <a class="link" href="date_itr_base.html#id-1_3_14_15_3_20_1_1_2_7_8-bb"><span class="keyword">operator</span><span class="special"><=</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 56 <span class="keyword">bool</span> <a class="link" href="date_itr_base.html#id-1_3_14_15_3_20_1_1_2_7_9-bb"><span class="keyword">operator</span><span class="special">></span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 57 <span class="keyword">bool</span> <a class="link" href="date_itr_base.html#id-1_3_14_15_3_20_1_1_2_7_10-bb"><span class="keyword">operator</span><span class="special">>=</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 58 <span class="keyword">bool</span> <a class="link" href="date_itr_base.html#id-1_3_14_15_3_20_1_1_2_7_11-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 59 <span class="keyword">bool</span> <a class="link" href="date_itr_base.html#id-1_3_14_15_3_20_1_1_2_7_12-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 60<span class="special">}</span><span class="special">;</span></pre></div> 61<div class="refsect1"> 62<a name="id-1.3.14.15.3.20.4.4"></a><h2>Description</h2> 63<p>This class provides the skeleton for the creation of iterators. New and interesting interators can be created by plugging in a new function that derives the next value from the current state. generation of various types of -based information.</p> 64<p><span class="bold"><strong>Template Parameters</strong></span></p> 65<p><span class="bold"><strong>date_type</strong></span></p> 66<p>The date_type is a concrete date_type. The date_type must define a duration_type and a calendar_type. </p> 67<div class="refsect2"> 68<a name="id-1.3.14.15.3.20.4.4.6"></a><h3> 69<a name="boost.date_time.date_itr_baseconstruct-copy-destruct"></a><code class="computeroutput">date_itr_base</code> 70 public 71 construct/copy/destruct</h3> 72<div class="orderedlist"><ol class="orderedlist" type="1"> 73<li class="listitem"><pre class="literallayout"><a name="id-1_3_14_15_3_20_1_1_2_8-bb"></a><span class="identifier">date_itr_base</span><span class="special">(</span><span class="identifier">date_type</span> d<span class="special">)</span><span class="special">;</span></pre></li> 74<li class="listitem"><pre class="literallayout"><a name="id-1_3_14_15_3_20_1_1_2_9-bb"></a><span class="special">~</span><span class="identifier">date_itr_base</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 75</ol></div> 76</div> 77<div class="refsect2"> 78<a name="id-1.3.14.15.3.20.4.4.7"></a><h3> 79<a name="id-1_3_14_15_3_20_1_1_2_7-bb"></a><code class="computeroutput">date_itr_base</code> public member functions</h3> 80<div class="orderedlist"><ol class="orderedlist" type="1"> 81<li class="listitem"><pre class="literallayout"><a class="link" href="date_itr_base.html" title="Class template date_itr_base">date_itr_base</a> <span class="special">&</span> <a name="id-1_3_14_15_3_20_1_1_2_7_1-bb"></a><span class="keyword">operator</span><span class="special">++</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 82<li class="listitem"><pre class="literallayout"><a class="link" href="date_itr_base.html" title="Class template date_itr_base">date_itr_base</a> <span class="special">&</span> <a name="id-1_3_14_15_3_20_1_1_2_7_2-bb"></a><span class="keyword">operator</span><span class="special">--</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 83<li class="listitem"><pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">duration_type</span> <a name="id-1_3_14_15_3_20_1_1_2_7_3-bb"></a><span class="identifier">get_offset</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span> current<span class="special">)</span> <span class="keyword">const</span> <span class="special">=</span> <span class="number">0</span><span class="special">;</span></pre></li> 84<li class="listitem"><pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">duration_type</span> <a name="id-1_3_14_15_3_20_1_1_2_7_4-bb"></a><span class="identifier">get_neg_offset</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span> current<span class="special">)</span> <span class="keyword">const</span> <span class="special">=</span> <span class="number">0</span><span class="special">;</span></pre></li> 85<li class="listitem"><pre class="literallayout"><span class="identifier">date_type</span> <a name="id-1_3_14_15_3_20_1_1_2_7_5-bb"></a><span class="keyword">operator</span> <span class="special">*</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 86<li class="listitem"><pre class="literallayout"><span class="identifier">date_type</span> <span class="special">*</span> <a name="id-1_3_14_15_3_20_1_1_2_7_6-bb"></a><span class="keyword">operator</span><span class="special">-></span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li> 87<li class="listitem"><pre class="literallayout"><span class="keyword">bool</span> <a name="id-1_3_14_15_3_20_1_1_2_7_7-bb"></a><span class="keyword">operator</span><span class="special"><</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span> d<span class="special">)</span><span class="special">;</span></pre></li> 88<li class="listitem"><pre class="literallayout"><span class="keyword">bool</span> <a name="id-1_3_14_15_3_20_1_1_2_7_8-bb"></a><span class="keyword">operator</span><span class="special"><=</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span> d<span class="special">)</span><span class="special">;</span></pre></li> 89<li class="listitem"><pre class="literallayout"><span class="keyword">bool</span> <a name="id-1_3_14_15_3_20_1_1_2_7_9-bb"></a><span class="keyword">operator</span><span class="special">></span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span> d<span class="special">)</span><span class="special">;</span></pre></li> 90<li class="listitem"><pre class="literallayout"><span class="keyword">bool</span> <a name="id-1_3_14_15_3_20_1_1_2_7_10-bb"></a><span class="keyword">operator</span><span class="special">>=</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span> d<span class="special">)</span><span class="special">;</span></pre></li> 91<li class="listitem"><pre class="literallayout"><span class="keyword">bool</span> <a name="id-1_3_14_15_3_20_1_1_2_7_11-bb"></a><span class="keyword">operator</span><span class="special">==</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span> d<span class="special">)</span><span class="special">;</span></pre></li> 92<li class="listitem"><pre class="literallayout"><span class="keyword">bool</span> <a name="id-1_3_14_15_3_20_1_1_2_7_12-bb"></a><span class="keyword">operator</span><span class="special">!=</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&</span> d<span class="special">)</span><span class="special">;</span></pre></li> 93</ol></div> 94</div> 95</div> 96</div> 97<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 98<td align="left"></td> 99<td align="right"><div class="copyright-footer">Copyright © 2001-2005 CrystalClear Software, Inc<p>Subject to the Boost Software License, Version 1.0. (See accompanying file 100 <code class="filename">LICENSE_1_0.txt</code> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</p> 101</div></td> 102</tr></table> 103<hr> 104<div class="spirit-nav"> 105<a accesskey="p" href="date_itr.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../date_time/doxy.html#header.boost.date_time.date_iterator_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="all_date_names_put.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 106</div> 107</body> 108</html> 109
